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KR970008013A - Time code automatic generator and method of memory audio recorder / player - Google Patents

Time code automatic generator and method of memory audio recorder / player Download PDF

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Publication number
KR970008013A
KR970008013A KR1019950020351A KR19950020351A KR970008013A KR 970008013 A KR970008013 A KR 970008013A KR 1019950020351 A KR1019950020351 A KR 1019950020351A KR 19950020351 A KR19950020351 A KR 19950020351A KR 970008013 A KR970008013 A KR 970008013A
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South Korea
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memory
recording
control
chapter
address
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KR1019950020351A
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Korean (ko)
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KR0176638B1 (en
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이원우
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김광호
삼성전자 주식회사
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Priority to KR1019950020351A priority Critical patent/KR0176638B1/en
Publication of KR970008013A publication Critical patent/KR970008013A/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

오디오 데이타 녹음시나 재생시에 오디오 데이타의 시작 어드레스와 끝 어드레스를 이용하여 자동으로 TOC의 영역에 녹음시간 및 재생시간 정보를 입력시키거나 표시하는 기술이다.It is a technology that automatically inputs or displays recording time and playback time information in the TOC area by using the start address and end address of the audio data during audio data recording or playback.

2. 발명이 해결하고자 하는 기술적 과제2. Technical problem to be solved by the invention

메모리 녹음기에 있어서, 각 쳅터마다 기록된 데이타의 압축율이 다를시 해당 압축율에 맞게 챕터의 녹음시간 및 재생시간을 계산하여 TOC에 기록하거나 표시한다.In the memory recorder, when the compression rate of the recorded data is different for each chapter, the recording time and playback time of the chapter are calculated and recorded or displayed on the TOC according to the compression rate.

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

메모리에 오디오 데이타를 서로 다른 압축율로 녹음하거나 재생할 경우 챕터의 시작 어드레스와 끝 어드레스를 검출하여 압축율에 따라 챕터의 녹음시간 및 재생시간을 계산하여 표시부에 표시한다.When recording or playing back audio data at different compression rates in the memory, the start and end addresses of the chapters are detected and the recording time and playback time of the chapters are calculated and displayed on the display section according to the compression rate.

4. 발명의 중요한 용도4. Important uses of the invention

메모리 오디오 재생 및 녹음장치에 적용한다.Applies to memory audio playback and recording devices.

Description

메모리 오디오 녹음/재생기의 시간코드 자동발생장치 및 방법Time code automatic generator and method of memory audio recorder / player

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 메모리 녹음/재생기의 블럭구성도, 제3도는 본 발명에 따른 데이타 녹음시 녹음시간 산출 제어 흐름도, 제4도는 본 발명에 따른 데이타 재생시 재생시간 산출 제어 흐름도.2 is a block diagram of a memory recorder / player according to the present invention, FIG. 3 is a flowchart for controlling recording time calculation during data recording according to the present invention, and FIG. 4 is a flowchart for controlling playback time calculation during data playback according to the present invention.

Claims (6)

메모리 오디오 녹음장치에 있어서, 녹음시작키 및 압축율 설정키를 구비하여 이 키입력에 따라 명령을 발생하는 키입력수단과, 상기 키입력수단으로부터 발생된 녹음시작 명령을 받아 부호화 인에이블신호를 발생한 후 기록데이타의 시작 어드레스와 끝 어드레스를 검출하여 압축율에 따라 챕터의 녹음시간을 산출할 수있도록 제어하는 제어수단과, 상기 제어수단으로부터 발생된 인에이블신호 및 MPEG레이어 정보, 압축율, 샘플링 주파수정보에 의해 상기 디지탈 오디오신호를 부호화하여 출력하는 부호화수단과, 상기 제어수단의 제어에 의해 부호화수단으로부터 부호화된 디지탈 오디오신호를 저장하는 데이타 버퍼수단과, 상기 제어수단은 제어를 받아 데이타의 시작 어드레스와 끝 어드레스 및 압축율, 샘플링주파수정보를 입력받아 녹음시간을 계산하는 시작코드 계산수단과, 상기 제어수단의 제어를 받아 기록어드레스를 일시적으로 저장하는 어드레스 레지스터와, 상기 제어수단의 제어를 받아 TOC의 챕터별 오디오 정보를 저장하는 메모리수단과, 상기 제어수단의 제어를 받아 상기 메모리수단으로부터 읽어들인 TOC정보를 일시적으로 저장하는 TOC버퍼와, 상기 제어수단의 제어를 받아 녹음시가을 표시하는 표시수단으론 구성함을 특징으로 하는 메모리 녹음기의 시간코드 자동발생장치.A memory audio recording apparatus comprising: a key input means for generating a command according to the key input having a recording start key and a compression ratio setting key, and receiving a recording start command generated from the key input means to generate an encoding enable signal; A control means for detecting the start address and the end address of the recording data so as to calculate the recording time of the chapter according to the compression rate, and the enable signal and MPEG layer information, the compression rate, and the sampling frequency information generated from the control means. Encoding means for encoding and outputting the digital audio signal, data buffer means for storing the digital audio signal encoded from the encoding means under control of the control means, and the control means is controlled to start and end addresses of the data. And recording time by receiving compression rate and sampling frequency information. A start code calculation means for distributing, an address register for temporarily storing a recording address under the control of the control means, memory means for storing audio information for each chapter of the TOC under the control of the control means, And a TOC buffer for temporarily storing the TOC information read from the memory means under control, and a display means for displaying the recording time under the control of the control means. 제1항에 있어서, 아날로그 오디오신호를 디지탈 오디오신호로 변환하여 상기 부호화수단으로 출력하는 아날로그/디지탈 변환수단을 더 구비함을 특징으로 하는 메모리 녹음기의 시간코드 자동발생장치.The apparatus of claim 1, further comprising analog / digital conversion means for converting an analog audio signal into a digital audio signal and outputting the same to the encoding means. 메모리 오디오 재생장치에 있어서, 재생녹음시작키를 구비하여 이 키입력에 따른 명령을 발생하는 키입력수단과, 상기 키입력수단으로부터 발생된 녹음시간 명령을 받아 복호화 인에이블신호를 발생한후 기록데이타의 시작 어드레스와 끝 어드레스를 검출하여 압축율에 따라 챕터의 재생시간을 산출할 수 있도록 제어하는 제어수단과, 상기 제어수단의 제어를 받아 TOC와 챕터별 오디오 정보를 저장하는 메모리수단과, 상기 제어수단의 제어를 받아 상기 메모리수단으로부터 읽어들인 TOC정보를 일시적으로 저장하는 TOC버퍼와, 상기 제어 수단의 제어에 의해 상기 메모리수단으로부터 읽어들인 디지탈 재생오디오신호를 저장하는 데이타 버퍼수단과, 상기 제어수단으로부터 발생된 인에이블신호 및 MPEG레이어 정보, 압축율, 샘플링 주파수정보에 의해 상기 데이타 버퍼수단으로부터 출력되는 디지탈 오디오 재생신호를 복호화하여 출력하는 부호화수단과, 상기 제어수단의 제어를 받아 데이타의 시작 어드레스와 끝 어드레스 및 압축율, 샘플링주파수정보를 입력받아 재생시간을 계산하는 시간코드 계산수단과, 상기 제어수단의 제어를 받아 재생 어드레스를 일시적으로 저장하는 어드레스 레지스터와, 상기 제어수단의 제어를 받아 재생시간을 표시하는 표시수단으로 구성함을 특징으로 하는 메모리 재생기의 시간코드 자동발생장치.A memory audio reproducing apparatus comprising: a key input means for generating a command according to this key input having a playback recording start key; and receiving a recording time command generated by said key input means to generate a decryption enable signal, Control means for detecting a start address and an end address to calculate a play time of a chapter according to a compression ratio, memory means for storing TOC and chapter-specific audio information under control of the control means, and A TOC buffer for temporarily storing TOC information read from the memory means under control, a data buffer means for storing a digital reproduction audio signal read from the memory means under control of the control means, and generated from the control means. Based on the enabled signal, MPEG layer information, compression rate, and sampling frequency information. Encoding means for decoding and outputting the digital audio reproduction signal outputted from the data buffer means; and time code for calculating the reproduction time by receiving the start address, the end address, the compression ratio, and the sampling frequency information of the data under the control of the control means. Automatic generation of the time code of the memory regenerator comprising a calculation means, an address register for temporarily storing the reproducing address under the control of the control means, and a display means for displaying the reproducing time under the control of the control means. Device. 제3항에 있어서, 상기 복호화수단으로부터 복호화된 디지탈 오디오신호를 아날로그 오디오신호로 변환출력하는 디지탈/아날로그 변환수단을 더 구비함을 특징으로 하는 메모리 재생기의 시간코드 자동발생장치.4. The apparatus of claim 3, further comprising digital / analog converting means for converting and outputting the digital audio signal decoded from the decoding means into an analog audio signal. 메모리 오디오 녹음방법에 있어서, 전원이 공급될 시 메모리의 TOC정보를 읽어들여 현재 녹음되어 있는 최종의 챕터의 끝 어드레스를 검출하여 다음 기록할 챕터의 시작 어드레스를 세팅하는 과정과, 상기 기록할 챕터의 시작 어드레스를 세팅한 후 원하는 압축율을 설정하는 과정과, 상기 압축율을 설정한 후 녹음시작키가 입력될 시 부호화 시작신호를 발생하여 오디오 신호를 부호화하여 부호화된 오디오 데이타를 저장하는 과정과, 상기 부호화된 오디오 데이타를 저장하고 녹음정지키가 입력될 시 부호화를 정지시키고 챕터의 끝 어드레스를로딩하는 과정과, 상기 챕터의 끝 어드레스를 로딩한 후 상기 세팅된 챕터의 시작 어드레스와 끝 어드레스 및 압축율을 녹음시간을 계산하여 메모리에 저장하는 과정으로 이루어짐을 특징으로 하는 시간코드 자동발생방법.In the audio recording method of the memory, when power is supplied, reading the TOC information of the memory, detecting the end address of the last chapter currently recorded, and setting the start address of the next chapter to be recorded, and Setting a desired compression rate after setting a start address, generating an encoding start signal when a recording start key is input after setting the compression rate, encoding an audio signal, and storing encoded audio data; Storing the recorded audio data, stopping encoding when the stop key is input, loading the end address of the chapter, recording the start address, the end address, and the compression rate of the set chapter after loading the end address of the chapter. Time code, characterized in that the process consists of calculating the time and storing it in memory Automatic generation method. 메모리 오디오 재생방법에 있어서, 전원이 공급될 시 메모리의 TOC정보를 읽어들여 현재 녹음되어 있는 챕터의 곡의 수를 검색하는 과정과, 상기 챕터의 곡수를 검색한 후 재생키가 입력될 시 챕터의 시작 어드레스와 끝 어드레스를 읽어들인 후 상기 읽어들인 챕터의 재생 데이타 압축율을 인식하는 과정과, 상기 재생 데이타 압축율을 인식한 후 압축율에 따른 재생시간을 계산하여 표시하는 과정으로 이루어짐을 특징으로 하는 시간코드 자동발생방법.In the memory audio reproducing method, a process of retrieving the number of songs of the currently recorded chapter by reading TOC information of the memory when the power is supplied, and retrieving the number of songs of the chapter, A time code comprising the steps of recognizing the reproduction data compression ratio of the read chapter after reading the start address and the end address, and calculating and displaying the reproduction time according to the compression ratio after recognizing the reproduction data compression ratio Automatic generation method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950020351A 1995-07-11 1995-07-11 Method and device for automatic generation of time codes in audio memory recording/reproducing equipment KR0176638B1 (en)

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KR1019950020351A KR0176638B1 (en) 1995-07-11 1995-07-11 Method and device for automatic generation of time codes in audio memory recording/reproducing equipment

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KR1019950020351A KR0176638B1 (en) 1995-07-11 1995-07-11 Method and device for automatic generation of time codes in audio memory recording/reproducing equipment

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KR970008013A true KR970008013A (en) 1997-02-24
KR0176638B1 KR0176638B1 (en) 1999-04-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100845839B1 (en) * 2002-01-29 2008-07-14 엘지전자 주식회사 A circuit for suppling a heater with voltage of monitor
KR100913843B1 (en) * 2001-09-06 2009-08-26 톰슨 라이센싱 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100913843B1 (en) * 2001-09-06 2009-08-26 톰슨 라이센싱 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files
KR100845839B1 (en) * 2002-01-29 2008-07-14 엘지전자 주식회사 A circuit for suppling a heater with voltage of monitor

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